rainmeter-studio/Library/UpdateCheck.cpp

98 lines
2.7 KiB
C++

/*
Copyright (C) 2004 Kimmo Pekkola
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "StdAfx.h"
#include "Litestep.h"
#include "Rainmeter.h"
#include "TrayWindow.h"
#include "../Version.h"
void CheckVersion(void* dummy)
{
HINTERNET hRootHandle = InternetOpen(
L"Rainmeter",
INTERNET_OPEN_TYPE_PRECONFIG,
nullptr,
nullptr,
0);
if (hRootHandle == nullptr)
{
return;
}
HINTERNET hUrlDump = InternetOpenUrl(
hRootHandle, L"http://rainmeter.github.io/rainmeter/release", nullptr, 0, INTERNET_FLAG_RESYNCHRONIZE, 0);
if (hUrlDump)
{
DWORD dwSize;
char urlData[16] = {0};
if (InternetReadFile(hUrlDump, (LPVOID)urlData, sizeof(urlData) - 1, &dwSize))
{
auto parseVersion = [](const WCHAR* str)->int
{
int version = _wtoi(str) * 1000000;
const WCHAR* pos = wcschr(str, L'.');
if (pos)
{
++pos; // Skip .
version += _wtoi(pos) * 1000;
pos = wcschr(pos, '.');
if (pos)
{
++pos; // Skip .
version += _wtoi(pos);
}
}
return version;
};
std::wstring tmpSz = StringUtil::Widen(urlData);
const WCHAR* version = tmpSz.c_str();
int availableVersion = parseVersion(version);
if (availableVersion > RAINMETER_VERSION ||
(revision_beta && availableVersion == RAINMETER_VERSION))
{
GetRainmeter().SetNewVersion();
WCHAR buffer[32];
const WCHAR* dataFile = GetRainmeter().GetDataFile().c_str();
GetPrivateProfileString(L"Rainmeter", L"LastCheck", L"0", buffer, _countof(buffer), dataFile);
// Show tray notification only once per new version
int lastVersion = parseVersion(buffer);
if (availableVersion > lastVersion)
{
GetRainmeter().GetTrayWindow()->ShowUpdateNotification(version);
WritePrivateProfileString(L"Rainmeter", L"LastCheck", version, dataFile);
}
}
}
InternetCloseHandle(hUrlDump);
}
InternetCloseHandle(hRootHandle);
}
void CheckUpdate()
{
_beginthread(CheckVersion, 0, nullptr);
}